Business Segment Information - Segment Assets (Detail) (USD $) In Thousands, unless otherwise specified	Mar. 29, 2014	Dec. 31, 2013
Segment Reporting Information [Line Items]
Total Assets	$ 753,162	$ 764,199
Goodwill and Intangibles	324,815	327,405
Ducommun AeroStructures
Segment Reporting Information [Line Items]
Total Assets	250,281	241,502
Goodwill and Intangibles	64,785	65,213
Ducommun LaBarge Technologies
Segment Reporting Information [Line Items]
Total Assets	444,207	444,224
Goodwill and Intangibles	260,030	262,192
Corporate Administration
Segment Reporting Information [Line Items]
Total Assets	$ 58,674	$ 78,473